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CVE-2026-81018

platform/x86: think-lmi: Free system certificate signatures

N/A
Published: September 11, 2026 at 07:43 PM UTC
Updated: October 19, 2026 at 09:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: think-lmi: Free system certificate signatures Multi-certificate support also allows the system authentication object to store ->signature and ->save_signature, which leak when the driver is removed. Free the signatures to avoid leaking memory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
5dcb5ef125907d09806509a9db8c6705041e00266.13
Vendor states this is fixed in 9c28adde051fe76a7754856d0a414ab89adcaa4d (fixed)
Vendor states this is fixed in abbcc0354108cf47a6055b951182bf73520d0363 (fixed)
Vendor states this is fixed in abca989604f60fe29d7170431f819e28ec7d868a (fixed)
Vendor states this is fixed in 6.13 (unaffected)
Vendor states this is fixed in 6.18.50 (unaffected)
Vendor states this is fixed in 7.2.4 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
https://git.kernel.org/stable/c/9c28adde051fe76a7754856d0a414ab89adcaa4d
Source: cverecord
https://git.kernel.org/stable/c/abbcc0354108cf47a6055b951182bf73520d0363
Source: cverecord
https://git.kernel.org/stable/c/abca989604f60fe29d7170431f819e28ec7d868a

Quick Info

StatusRECEIVED

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